单项选择题


Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.
What can be inferred from the news

A.There has been an internal struggle among right-wingers.
B.These letter bombs were all made in Sweden.
C.There has been no injury during the raids.
D.The Letter bombs have caused great damage.